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Samil Aktas, M.D. For permission to copy or republish content, click here.

James Francis, B.Sc., M.B. B.S., M.Sc., Ph.D., DipDHM, FUHM, Surgeon Commander, Royal Navy (retired) For permission to copy or republish content, click here.

Ronald Lyman, DVM, Diplomate ACVIM For permission to copy or republish content, click here.

Tolga Cakmak, M.D., Bilal Battal, M.D., Assistant Professor, Kemal Kara, M.D., Assistant Professor, Suleyman Metin, M.D., Seref Demirbas, M.D., Assistant Professor, Senol Yildiz, M.D., Professor, Gunalp Uzun, M.D., Associate Professor For permission to copy or republish content, click here.

Hai-Tao Wang, Yi-Qun Fang, Pu You, Xiao-Chen Bao, Heng-Rong Yuan, Jun Ma, Fang-Fang Wang, Kai-Cheng Li For permission to copy or republish content, click here.

Hai-Tao Wang, Yi-Qun Fang, Xiao-Chen Bao, Heng-Rong Yuan, Jun Ma, Fang-Fang Wang, Shi Zhang, Kai-Cheng Li For permission to copy or republish content, click here.

Janne Tikkinen, M.D.,  Martti A. Siimes, M.D. For permission to copy or republish content, click here.

Luis Gustavo Campos da Silva, M.D., Marcelo Bellini Dalio, M.D., Ph.D., Edwaldo Edner Joviliano, M.D., Ph.D., Omar Feres, M.D., Ph.D., Carlos Eli Piccinato, M.D., Ph.D. For permission to copy or republish content, click here.

Han Chen, Juan Zheng, Zhiyu Cai, Zhaoyun Peng, Runping Li, Weigang Xu, Dong Cao, Wenwu Liu, Feng Lin For permission to copy or republish content, click here.

Arvid Hope, Linda B. Stuhr, Tina Pavlin, Alvhild Alette Bjørkum, Marit Grønning For permission to copy or republish content, click here.

Gulin Findikoglu, M.D., Ph.D, Ebru Nevin Cetin, M.D., Ayse Sarsan, M.D., Hande Senol, Cem Yildirim, M.D., Fusun Ardic, M.D. For permission to copy or republish content, click here.

Danilo Cialoni, Claudio Marabotti, Nicola Sponsiello, Massimo Pieri, Costantino Balestra, Vittorio Lucchini,  Alessandro Marroni For permission to copy or republish content, click here.

David R. Pendergast, Curtis J. Senf, Michael C. Fletcher, Claes E.G. Lundgren For permission to copy or republish content, click here.

Justin Shmalberg, DVM DACVN, Wendy Davies, Stacy Lopez, Danielle Shmalberg, Jose Zilberschtein, DVM Ph.D. For permission to copy or republish content, click here.

For permission to copy or republish content, click here.